export default function () {
    let option = {
        tooltip: {
            trigger: 'item'
        },
        legend: {
            top: '5%',
            left: 'center',
            type:'scroll',
            textStyle:{
                color:'#fff'
            }  
        },
        series: [
            {
                name: 'Access From',
                type: 'pie',
                radius: ['30%', '60%'],
                avoidLabelOverlap: false,
                itemStyle: {
                    borderRadius: 10,
                    borderColor: '#fff',
                    borderWidth: 2
                },
                label: {
                    show: false,
                    position: 'center'
                },
                emphasis: {
                    label: {
                        show: true,
                        fontSize: 40,
                        fontWeight: 'bold'
                    }
                },
                labelLine: {
                    show: false
                },
                data: [
                    { value: 1048, name: 'Search Engine' },
                    { value: 735, name: 'Direct' },
                    { value: 580, name: 'Email' },
                    { value: 484, name: 'Union Ads' },
                    { value: 300, name: 'Video Ads' }
                ]
            }
        ]
    };
    return option
}